Readrite Meter Works 410 Get a print! $8.00 Add to Cart Product Information: Model:410 Manufacturer:Readrite Meter Works Description:Tube Checker Schematic Pages Page 1 Schematics Content Page 1: WIRING DIAGRAM FOR # 410 Please note: we carry a wide range of products which will fulfill the specifications above. Please use our search function or browse our products to find what you need!